<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
    <style>
        body{
            font-family:SimHei;
        }
        .red{
            color: red;
        }
    </style>
</head>
<body>
<div class="red">
    你好，鲁家宁
</div>
</body>
</html>